铎: The wooden bell and the ceremonial bell. In names, they often symbolize grandeur and vastness, aiding in the flourishing of one's endeavors.
朗: Bright and clean. When used in personal names, it often conveys a sense of purity, sunshine, gentlemanly demeanor, and being well-liked.
Meaning: Duo means bell, Lang means bright and clear, symbolizing a crisp and pleasant sound, and a bright, cheerful personality.